Brand Showdown · 2026

Bulk vs Per4m

TLL Label Scores are shown only for products whose label assessment has been signed off; others are Under review. Labels and listed prices remain available for research.

Verdict

Bulk has the higher average TLL Label Score (80 vs 65) across the products we score.

Lower listed average price per serving: Bulk at £0.62/serving on average. Catalogue mixes and serving sizes differ; this is not a comparison of equivalent doses or a prediction of results. Delivery and checkout costs are excluded, and no approved purchase offer is implied.

Bulk

★ Higher avg

Per4m
Research records1519
Categories covered1212
Avg TLL Label Score8065
Approved best score9795
Avg cost / serving£0.62£1.33

Category head-to-head

Alphabetically selected research examples where both brands have records; no product winner is selected.

Whey

82/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.bulk.com/uk/products/pure-whey-protein/bpb-wpc8-0000, checked 19 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Bulk

Pure Whey Protein

£0.91/serving

★ Winner

55/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/advanced-protein-blend, checked 23 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Per4m

Advanced Protein Blend

Whey Isolate

82/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.bulk.com/uk/products/pure-whey-isolate-90/bpb-wpi9-0000, checked 19 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Bulk

Pure Whey Isolate

£1.06/serving

91/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/chocolate-creme-isolate-zero, checked 19 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Per4m

Per4m Isolate

£1.17/serving

★ Winner

Creatine

95/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.bulk.com/uk/products/creatine-monohydrate/bpb-cmon-0000, checked 19 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Bulk

Creatine Monohydrate

£0.12/serving

95/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/creatine-sherbet-stick-packs, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Per4m

Creatine Sherbet Stick Packs

£1.25/serving

Pre-Workout

62/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.bulk.com/uk/products/complete-pre-workout-advanced/bble-cpad, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Bulk

Pre-Workout Advanced 500g

£0.72/serving

Under review

Per4m

Amino Burn Strawberry Lime Twist

Post-Workout

86/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.awin1.com/cread.php?awinmid=4822&awinaffid=2919631&ued=https%3A%2F%2Fwww.bulk.com%2Fuk%2Fproducts%2Faftermath%2Fbpps-amat, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Creatine, HMB and glutamine are on the label and are not inputs to this post-workout score. Declared leucine is 3 g.

Bulk

Aftermath

£1.00/serving

★ Winner

56/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/glutamine, checked 23 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Provisional Method B score with weak outcome evidence (glutamine-only). No recovery, gut, or immune outcome claims beside the number.

Per4m

Glutamine

Hydration

50/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://shop.theliftinglab.co.uk/products/bulk-electrolyte-powder, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Bulk

Electrolyte Powder

£0.26/serving

50/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/hydrate-electrolyte-mix-blackberry, checked 23 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Per4m

Hydrate Electrolyte Mix

£0.83/serving

Protein Bars

96/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.awin1.com/cread.php?awinmid=4822&awinaffid=2919631&ued=https%3A%2F%2Fwww.bulk.com%2Fuk%2Fproducts%2Fmacro-munch-protein-bar-v2%2Fmmun-pbar-v2, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Bulk

Macro Munch (Chocolate Hazelnut)

£2.99/serving

Under review

Per4m

Per4m Protein Bar Cookies N Creme

Multivitamins

78/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://shop.theliftinglab.co.uk/products/bulk-complete-multivitamin-complex, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Provisional Method B score (multivitamin). NRV-aligned; vitamin B6 is under the UL. The number is not an authorised health claim.

Bulk

Complete Multivitamin Complex

£0.30/serving

★ Winner

52/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/greens-apple-mango, checked 23 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Provisional Method B score (no dedicated greens/multivitamin curve yet). Vitamin C is 1000 mg at the UL edge; TLL does not encourage high intake. The number is not an authorised health claim.

Per4m

Greens

Vitamin C

84/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://www.bulk.com/uk/products/vitamin-c-tablets-1000mg/bpb-vitc-t000, checked 25 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Provisional Method B score (vitamin C). 1000 mg sits at the lower UL edge. The labelled dose is unchanged. TLL does not encourage high intake. The number is not an authorised health claim.

Bulk

Vitamin C 1000mg

£0.11/serving

84/100TLL Label ScoreDose & label check

TLL Label Score rates what's on the label, not the results you'll get. It compares stated doses with amounts used in published research and checks how transparent the label is. It isn't a health claim or medical advice. Source: https://per4mbetter.com/products/vit-c, checked 23 Oct 2026. How we scoreThe TLL Label Score compares the ingredients and amounts declared on the label with the amounts used in published research on those ingredients, and checks how transparent the label is. It rates what's on the label, not the results you'll get. It isn't based on claims made by the brand, doesn't reflect our view of the company, and isn't medical advice. It's for general information only.

Provisional Method B score (vitamin-c). 1000 mg per capsule sits at the lower UL edge; TLL does not encourage high intake.

Per4m

Vitamin C Capsules

How we score

TLL Label Scores are shown only for products whose label assessment has been signed off; others are Under review. Labels and listed prices remain available for research.

Informational only — not medical advice. Retailer links carry their own disclosures. This never affects scoring.